On December 29, 2017, Kforce Inc. issued a press release describing the expected impact of one-time non-cash charges on its fourth quarter 2017 financial results and 2018 effective tax rate, due to the Tax Cuts and Jobs Act of 2017. A copy of this press release is furnished as Exhibit 99.1 to this Report and is incorporated into this Report by reference.

The information furnished herewith pursuant to Item 8.01 of this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section. The information contained in this Form 8-K and in the accompanying exhibit shall not be incorporated by reference into any registration statement or other document filed with the Securities and Exchange Commission by Kforce Inc., whether made before or after the date hereof, regardless of any general incorporation language in such filing, except as shall be expressly set forth by specific reference in such filing.